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Question: Fast idle 1993 lt1

kent

New member
Joined
Mar 21, 2016
Messages
1
Location
Indpls, In
Corvette
1993 COUPE
:eyeroleI HAVE A 1993 LT1 CORVETTE. ALL OF A SUDDEN. IT IDLES AROUND 1300 TO 1500 RPM.
CANT FIND ANY VACUUM LEAKS. I VE REPLACE THE IAC CONTROL, EGR VALUE, MOST SENSORS. CLEANED THE THROTTLE BODY. NEW WIRES NEW PLUGS. EVEN PUT A NEW OCTI SPARK DIST.ON...
 
Last edited:
Check the PCV valve

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